#include <iostream>
#include <vector>
using namespace std;

const int N = 100010;
vector<int> A, B, C;

vector<int> add(vector<int> &A, vector<int> &B)
{
    if (A.size() < B.size())
        return add(B, A);
    vector<int> C;
    int t = 0;
    for (int i = 0; i < A.size(); ++i)
    {
        t += A[i];
        if (i <= B.size())
            t += B[i];
        C.push_back(t % 10);
        t /= 10;
    }
    if (t)
        C.push_back(t);
    return C;
}

int main()
{
    ios::sync_with_stdio(false);
    string a, b;
    cin >> a >> b;
    for (int i = a.size() - 1; i >= 0; --i)
        A.push_back(a[i] - '0');
    for (int i = b.size() - 1; i >= 0; --i)
        B.push_back(b[i] - '0');
    C = add(A, B);
    for (int i = C.size() - 1; i >= 0; --i)
        printf("%d", C[i]);
    return 0;
}